As fanfare said, the correct answer is No.
For your mother to add your father's basis to hers, after clicking the Continue button that lists the Forms 1099-R that she received, answer Yes when asked if she mad nondeductible traditional IRA contribution, then click the EasyGuide button and TurboTax will provide the opportunity to indicate that she received basis from your father and the amount. TurboTax will then prompt for the required explanation statement describing this adjustment to your mother's basis in nondeductible traditional IRA contributions.
